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Three consecutive even numbers add up to 78.
Write the smallest as $x$ and form an equation.
What is the largest of the three numbers?

Class 8Solving Simple EquationsLinear Equations

A31
B28
C56
D25

Step-by-Step Solution

x + (x + 2) + (x + 4) = 78

, so

3 x + 6 = 78, 3 x = 72, x = 24

. Numbers are 24, 26, 28; the largest is 28.

Answer: B) 28

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